任性冬天

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3年1月12天

Mongodb报错及解决办法集合

Mongodb报错及解决办法集合:>db.daily_csv_test.drop(); 删除有数据的表示报错如下:Thu Nov 28 10:30:40.833 SyntaxError: Unexpected tokenILLEGAL解决办法:>var c =db.getCollection(‘player’);c.drop(); 其中player是删除的表启动 servicemongod

UuidUtil

import java.util.UUID;public class UuidUtil { public static String uuid(){ String s= UUID.randomUUID().toString(); return s.replace("-", ""); }}

npm的介绍和使用(补充)

"dependencies": { "chinese-finance-number": "^0.1.0", "ejs": "^2.5.6", "express": "^4.15.2", "finalhandler": "^1.0.1", "formidable": &q

flume load_balance

This article describes how to config flume load balance, Master is the data generator, flume agent get logserver.log then transmit to slave1 and slave2, which is the collector, and save log to hdfs....